/*
 * Copyright (C) 2002-2012 Free Software Foundation, Inc.
 *
 * Author: Timo Schulz, Nikos Mavrogiannopoulos
 *
 * This file is part of GnuTLS.
 *
 * The GnuTLS is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */

#include <config.h>

#ifdef ENABLE_OPENPGP

#ifndef GNUTLS_OPENPGP_LOCAL_H
#define GNUTLS_OPENPGP_LOCAL_H

#include <auth/cert.h>
#include <opencdk.h>
#include <gnutls/abstract.h>

/* OpenCDK compatible */
typedef enum
{
  KEY_ATTR_NONE = 0,
  KEY_ATTR_SHORT_KEYID = 3,
  KEY_ATTR_KEYID = 4,
  KEY_ATTR_FPR = 5
} key_attr_t;

int gnutls_openpgp_count_key_names (const gnutls_datum_t * cert);

int gnutls_openpgp_get_key (gnutls_datum_t * key,
                            gnutls_openpgp_keyring_t keyring,
                            key_attr_t by, uint8_t * pattern);

/* internal */
int
_gnutls_openpgp_privkey_cpy (gnutls_openpgp_privkey_t dest, gnutls_openpgp_privkey_t src);

int
_gnutls_openpgp_request_key (gnutls_session_t,
                             gnutls_datum_t * ret,
                             const gnutls_certificate_credentials_t cred,
                             uint8_t * key_fpr, int key_fpr_size);

int _gnutls_openpgp_verify_key (const gnutls_certificate_credentials_t,
                                const gnutls_datum_t * cert_list,
                                int cert_list_length, unsigned int *status);
int _gnutls_openpgp_fingerprint (const gnutls_datum_t * cert,
                                 unsigned char *fpr, size_t * fprlen);
time_t _gnutls_openpgp_get_raw_key_creation_time (const gnutls_datum_t *
                                                  cert);
time_t _gnutls_openpgp_get_raw_key_expiration_time (const gnutls_datum_t *
                                                    cert);

int
_gnutls_openpgp_privkey_sign_hash (gnutls_openpgp_privkey_t key,
                                   const gnutls_datum_t * hash,
                                   gnutls_datum_t * signature);


int
_gnutls_openpgp_privkey_decrypt_data (gnutls_openpgp_privkey_t key,
                                     unsigned int flags,
                                     const gnutls_datum_t * ciphertext,
                                     gnutls_datum_t * plaintext);

#endif /*GNUTLS_OPENPGP_LOCAL_H */

#endif /*ENABLE_OPENPGP */
